Juvenile megamouth shark, Megachasma pelagios, caught off the Pacific coast of Mexico, and its significance to chondrichthyan diversity in Mexico
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Redalyc · Ciencias Marinas
On 16 November 2006, a female juvenile megamouth shark, Megachasma pelagios, was caught off the coast of Mexico in the Pacific Ocean, near Sebastián Vizcaíno Bay. This specimen, that has informally been referred to as “Megamouth No. 38”, measured 2265 mm in total length. It represents the third smal...
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| Published in: | Ciencias Marinas |
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| Main Author: | |
| Format: | Artículo científico |
| Language: | en |
| Published: |
Universidad Autónoma de Baja California
2012
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| Summary: | On 16 November 2006, a female juvenile megamouth shark, Megachasma pelagios, was caught off the coast of Mexico in the Pacific Ocean, near Sebastián Vizcaíno Bay. This specimen, that has informally been referred to as “Megamouth No. 38”, measured 2265 mm in total length. It represents the third smallest female recorded for this taxon and the first report of M. pelagios off the Pacific coast of Mexico. The specimen is formally described here with basic anatomical data, and some aspects of this megamouth shark are compared with those of previously reported M. pelagios specimens. The occurrence near Sebastián Vizcaíno Bay is significant because it further emphasizes the high elasmobranch diversity in the area that should be regarded as a key region for shark conservation.
El 16 de noviembre de 2006, una hembra juvenil del tiburón bocudo, Megachasma pelagios, fue capturada en la costa del Pacífico de México, cerca de la bahía Sebastián Vizcaíno. Este espécimen, informalmente conocido como “Megamouth No. 38”, midió 2265 mm de longitud total. Representa la tercera hembra más pequeña registrada para este taxón y el primer registro de M. pelagios en la costa del Pacífico de México. El espécimen se describe formalmente a partir de sus datos anatómicos básicos, los cuales se comparan con aquellos provenientes de otros M. pelagios previamente documentados. Su presencia cerca de la bahía Sebastián Vizcaíno es importante porque destaca la presencia de una elevada diversidad de elasmobranquios en el área, que debería ser considerada como una región clave para la conservación de los tiburones. |
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